# ICT Basic # Input and Output devices ## Input devices In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance. ### Types of input devices #### Keyboards #### Mouse/Touchpad/Track point #### Scanners #### Webcam/Cameras #### Microphone #### Joystick ### Types of output devices #### Monitor #### Speakers/Headphones #### Printers - CPU - Memory - Storage # Storage ## Units of storage - and speed ## Type of storage - Magnetic Storage - Optical - Solid State # MAchine language - Binary # networking explain - Explain Protocols - TCP - UDP - MAC Address - IP/DNS - Network ports - Subnetting - firewall usage - other protocols ( HTTP, FTP, SSH, TELNET) - OSI Model - VPNs # Operating System - BIOS - File system - Kernel - Drivers - explamples of operating systems # Troubleshooting Hardware - RAM - CPU - MB - PSU # Troubleshooting Network - OSI Model